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n. 螺栓，螺釘；閃電，雷電；門閂；弩箭；（布的）一匹，一卷 vt. 篩選；囫圇吞下；（把門、窗等）閂上；突然說出，脫口說出 速記技巧 諧音記憶法 可用諧音法，諧音：抱頭。抱頭鼠竄——急逃。
或者抱頭痛哭,因?yàn)闆]閂門而失竊 知識(shí)擴(kuò)展 短語動(dòng)詞 bolt down 狼吞虎咽 n. a bolt from the blue 突如其來的事件（或消息）；晴天霹靂 an event or a piece of news which is sudden and unexpected; a complete surprise Her dismissal came as a bolt from the blue. 她被解雇簡(jiǎn)直就是晴天霹靂。 make a bolt for sth make a bolt for it 迅速逃跑；溜走 to run away very fast, in order to escape the nuts and bolts (of sth) (informal) 基本要點(diǎn) the basic practical details of a subject or an activity have shot your bolt (informal) 竭盡全力；傾其所有 to have used all your power, money or supplies v. close, lock, etc. the stable door after the horse has bolted also (US close, etc. the barn door after the horse has escaped) 馬跑了才去關(guān)廄門；賊走關(guān)門，為時(shí)已晚 to try to prevent or avoid loss or damage when it is already too late to do so adv. sit/stand bolt upright 背部筆挺地坐 / 站；坐 / 站得筆直 to sit or stand with your back straight 精選例句 高考 1、 Loosen the bolt so the bars can be turned. 松開螺栓，這樣那些木板就能被翻過來了。 來源:秒詞邦搜集整理 2、 She leaned on the door and pushed the bolt home. 她倚在門上，上好了門閂。 來源:《牛津詞典》